In this two-part talk, the YUI team visual design guru Jeff Conniff and frontend engineer Tilo Mitra discuss the upcoming exciting additions to the YUI library CSS offerings. In the first part of the talk, Jeff talks about skinning YUI widgets and showcases unique new tools for effortlessly building coordinated color schemes and matching theme sets. Tilo Mitra follows with a discussion of Responsive Grids, a utility built on top of YUI Grids that allows for creating flexible layouts for any screen size.